html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.header {
    height: 58px;
}

.header-title {
    font-size: 22px;
    font-family: 幼圆, serif;
    font-weight: bold;
}

.navbar li {
    margin: 0 5px 0 5px;
    padding: 0 5px 0 5px;
}

.thumb-box {
    display: inline-block;
    margin: 10px 10px 10px 0;
    position: relative;
    border: 1px dotted #ccc;
    border-radius: 4px;
    width: 150px;
    height: 100px;
    background-color: #fcfcfc;
}

.thumb {
    position: absolute;
    left: 50%;
    top: 50%;
    max-width: 90%;
    max-height: 90%;
    transform: translateX(-50%) translateY(-50%);
    cursor: pointer;
}

.thumb-box .delete {
    position: absolute;
    right: 1px;
    top: 1px;
    background-color: #f1f1e3;
}

.thumb-box .delete:hover {
    background-color: #e1e1e8;
    cursor: pointer;
}